@inbook{+1981+30+32,
url = {https://doi.org/10.1515/9783110858617.30},
title = {I. Agricultural Geography as a Science},
booktitle = {Farming, Development and Space},
booktitle = {A World Agricultural Geography},
publisher = {De Gruyter},
address = {Berlin, Boston},
pages = {30--32},
doi = {doi:10.1515/9783110858617.30},
isbn = {9783110858617},
year = {1981},
lastchecked = {2026-05-07}
}